Air Quality Information

for the Sacramento Region

Brought to you by the Sacramento Metropolitan, El Dorado,
Feather River, Placer and Yolo-Solano Air Districts

AQI Forecast by County

Saturday, June 06

Sat

Sun

El Dorado

41

45

Placer

41

44

Sacramento

39

45

Yolo-Solano

32

37

Air Quality Map

The map below is a 1-hour snapshot. Click to view all hours recorded since midnight.

Federal and State Ground-level Ozone Exceedances

Sacramento Region

Data since 2004 are preliminary
and will be replaced with official data as they become available.

Type

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

State1-hourOzone

N/A

2

18

10

16

11

10

7

22

24

15

28

41

18

47

44

36

53

61

57

46

56

49

25

Federal1-hourOzone

N/A

0

2

0

0

0

0

0

1

0

0

0

7

1

8

6

0

6

10

4

7

7

13

4

Federal8-hourOzone

N/A

8

57

54

51

17*

31

17

50

44

23

40

56**

18***

43

36

24

43

49

46

37

48

Standard notin effect***

* A new federal 8-hour ozone standard of .070 parts per million began in October 2015.
** A new federal 8-hour ozone standard of .075 parts per million began in 2008.
*** The federal 8-hour ozone standard of .084 parts per million was in effect from 1999-2007.
**** There was no federal 8-hour ozone standard prior to 1999.

Note: As of June 15, 2005, the federal 1-hour ozone standard was revoked, but it still has regulatory applicability in some areas.

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District and the air districts of the Sacramento region.
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